Ecology Crossword

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Across
  1. 3. Any relationship in which two species live closely together
  2. 5. show how matter and energy move through ecosystem in a series of steps
  3. 8. Phosphorus in biosphere cycles among the land, ocean sediments and living organisms
  4. 9. one organism benefits and the other is neither helped nor harmed
  5. 10. make their own food
  6. 13. Study of the interactions among organisms and between organisms and their environment
  7. 14. Models that show all possible feeding relationships at each trophic level in a community
  8. 16. The atmosphere is the main reservoir of nitrogen; it also cycles through the soil and tissues of living organisms.
  9. 17. organisms that are eaten
  10. 20. The ability of living things to survive the changes in their environment.
  11. 21. one organism lives on or in organism and harms it
  12. 25. The non-living parts of the environment
  13. 27. consumer other organisms for energy
  14. 28. cycle of carbon in the environment
  15. 29. An area where an organism lives
  16. 30. Organisms that rely on other organisms for their energy and food supply
  17. 31. Organisms that use sunlight or energy stored in chemical compounds to make food
  18. 33. both species benefit from relationship
  19. 35. is the main energy source for life on Earth.
Down
  1. 1. Diagram that shows amounts of energy or matter at each trophic level
  2. 2. Anything that limits an organism’s ability to live in a particular environment
  3. 4. a stable community formed after primary or secondary succession once little or no change occurs
  4. 6. break down wastes organic matter (dead organisms) and return them to the ecosystem
  5. 7. organisms that seek out and eat other organisms
  6. 11. Made up of populations of organisms that live in a common area
  7. 12. large group of ecosystems that shares the same type of climax community
  8. 15. All strategies and adaptations a species uses in its environment
  9. 18. Organisms that make their own food
  10. 19. Elements, compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another
  11. 22. The process of gradual, natural, change and species replacement that takes place in the communities of an ecosystem over time.
  12. 23. All the living organisms in an environment
  13. 24. Process used by autotrophs to make food energy from the sun
  14. 26. Autotrophs that capture chemical energy since they live in places without sunlight
  15. 32. Water is constantly moving between
  16. 34. atmosphere & Earth.